My understanding is when they switched to model numbers
Essentially when they went from 4 screws to 3 screw. A 5 screw model would not have been rated for +P ammo. That doesn't mean a few rounds of +P ammo will hurt it, but I wouldn't run a steady diet of stuff. ..
Complete thread:
- When did S&W approve .38 Spl +P ammo in the K-frame? -
Hoot,
2016-01-23, 13:24
![[*]](themes/default/images/complete_thread.png "Open whole thread")
- My understanding is when they switched to model numbers -
JD,
2016-01-23, 14:04
- I wonder what they changes -
bj,
2016-01-23, 19:29
- I believe that they changed the heat treatment. .. - JD, 2016-01-23, 23:27
- My understanding is when they switched to model numbers - Catoosa, 2016-01-24, 09:24
- I wonder what they changes -
bj,
2016-01-23, 19:29
- Thanks fellas! - Hoot, 2016-01-24, 09:45
- 1957 is the year -
Charles,
2016-01-24, 15:53
- Thank you Charles. - Hoot, 2016-01-24, 20:01
- My understanding is when they switched to model numbers -
JD,
2016-01-23, 14:04